pixijs-math

pixijs-math is a Physics, mathematics & simulation skill for AI agents, published by pixijs in the pixijs repository on GitHub. Skillspace rates pixijs-math C (71/100) and it passed the safety scan; a judge model has also reviewed it.

Use this skill when working with coordinates, vectors, matrices, shapes, hit testing, or layout rectangles in PixiJS v8. Covers Point/ObservablePoint, Matrix (2D affine, decompose, apply, applyInverse), shapes (Rectangle, Circle, Ellipse, Polygon, RoundedRectangle, Triangle), Rectangle layout helpers (pad, fit, enlarge, ceil, scale, getBounds), strokeContains hit tests, Polygon isClockwise/containsPolygon, toGlobal/toLocal, PointData/PointLike/Size types, DEG_TO_RAD, and pixi.js/math-extras vector and intersection helpers. Triggers on: Point, ObservablePoint, Matrix, Rectangle, Circle, Polygon, Triangle, RoundedRectangle, toGlobal, toLocal, hitArea, strokeContains, pad, fit, enlarge, ceil, getBounds, containsRect, intersects, isClockwise, math-extras, lineIntersection, segmentIntersection, DEG_TO_RAD, PointData.

Grade
C
Quality
71 / 100
Safety
Passed
GitHub stars
48,151

Placed #4 of 6 in the judged category final for Physics, mathematics & simulation.

Our two independent classifiers differ on this skill's category, so treat the placement as provisional.

This rating describes the version of the repository we crawled; it may have changed since, so go by its current files.

Our review

Architecture
94 / 100
Maturity
Basic: a single SKILL.md
Security scan
No issues found
License
Not declared. Check the repository before reusing it.

Judge review

Placed #4 of 6 in the judged category final for Physics, mathematics & simulation.

  • Trigger9090
  • Instructions8585
  • Specificity9292
  • Safety9898
  • Disclosure8080
  • Maintenance8282
Precise 2D transform-math reference with worked numeric examples (exact toGlobal coordinates) and real gotchas like Point.shared's reset behavior, though it's game-engine math rather than physics or simulation.

Not checked yet

  • Category is a classifier prediction; no model has read this skill yet
  • No blind task eval yet
  • Scope (portable / vendor / repo-internal) not assessed; only the top of each category is read for scope
  • Sibling files (scripts, references) not fetched; security scan covers SKILL.md only

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